The promotion is the first customer to put his own glass. Maybe a glass of your customers that you bring your own mug from home. We will lower prices to two baht, which I might feel funny ... oh that reduce the second as THB fooling me. The terms of this promotion is that it reduces the ecological coffee mugs we need, we need to reduce or clear glass. The reason that customers bring their own coffee mug is part of it, I love to drink coffee in a glass of his favorite. So whether it is willing to reduce prices or reduce the use of glass structures already. But we do this because. We want to tell the customer that We cut prices to encourage the use of mobile devices that can be reused again. Your client is a good example of that admirable.